You can get the sound quality you want just by starting the music player from the playback button of this app and changing the settings of bass boost virtualizer and equalizer. You can change the sound quality of music players audio players videos music streaming apps radio apps etc. (*1)

Feature:
- Bass boost
- 3D Effect(Virtualizer)(*2)
- OpenGL Graphics with Visualizer (*3)
- Loudness Enhancer and Volume Knob(*4)
- 14 Buit-In + 1 custom equalizer preset
- 16 different color themes
- Operation via notification
- Supports Multi-Window Mode(Android 7 or later)

(*1) Not supported on some models.
(*2) Stereo widening effect can be used. By using a headset you can get the best sound effect.
(*3) This app uses the output sound to visualize the FFT data so user permission is required when launching the app.
(*4) Swipe between knobs to bring up the next screen
In portrait screen: Swipe vertically
In landscape screen: Swipe horizontally


This equalizer app will not work if you start it while other equalizers are running
so you need to start it according to the following procedure.
1. Completely stop both the GlycoX app and other equalizer apps.
1.1 For apps that cannot be terminated from notifications (some apps do not issue notifications)
Press and hold the icon to "force stop" on the "App information" screen.
2. Launch the GlycoX app.

===== For users with Android 10 or later =====
On Android 10 or later you can enjoy music with the best sound by adjusting the Compressor.
The effector consists of PreEQ --> Compressor --> PostEQ --> Limiter in this order.
1. How to easily increase the bass using Compressor (first try it at 62Hz which is easy to hear)

- Lower the value of Pre Gain.
- Increase the value of Post Gain.
- Slightly lower the Ratio value.
- Increase Threshold a little.
(First of all try moving the SeekBar of these four parameters slowly left and right to feel the change in sound.)

2. The following is an example of how to adjust PostEQ at the end.

Step1. Set the PostEQ preset to FLAT.
Step2. Set all Compressor and Limiter presets to Default. (Don't set In Gain and Out Gain too high just set them to about 0.
Step3. change PreEQ PreGain and PostGain to your favorite values for each frequency. Adjust the Ratio and Threshold as necessary.
Step4. increase the volume to the desired level with Out Gain. If necessary adjust the In Gain.
Step5. Adjust PostEQ if necessary.

If you use Android 10 or later you may not want to use Bass Boost and Loudness as much as possible.
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Notes:
To exit the app completely you need to exit from notifications.
Loudness In Gain and Out Gain values will not be saved after quitting the app.
Extreme settings may cause sound crack. Please enjoy this app with moderate settings and volume at your own risk.